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It is also possible to let the owner pay an advance energy cost upfront to lower the cost for consumed energy at the end of the year. The advance energy cost can be part of the yearround reservation or single invoice reservations that do have the advance energy cost add-on booked. During generating the energy invoices, it will be possible to settle the used energy cost with the advance energy cost, paid upfront by the owner via the yearround reservation. The settled advance cost will then be part of the generated invoice for consumed energy.
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